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Cheap flights from Ireland to Belfast from €43

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Belfast departing on 27/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
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Find the cheapest flights from Ireland to Belfast

Recent return flight deals from Ireland to Belfast

Enter your travel dates to find the best prices.
Multiple Airlines Logo
22:25 - 07:05
ORK
-
BFS
8h 40m
1 stop
Multiple Airlines Logo
07:35 - 21:45
BFS
-
ORK
14h 10m
1 stop
€80Multiple Airlines
Tue, 4 Aug - Tue, 11 Aug
Multiple Airlines Logo
22:25 - 07:05
ORK
-
BFS
8h 40m
1 stop
Multiple Airlines Logo
15:40 - 23:55
BFS
-
ORK
8h 15m
1 stop
€81Multiple Airlines
Tue, 18 Aug - Wed, 19 Aug
Multiple Airlines Logo
10:20 - 22:20
DUB
-
BFS
12h 00m
1 stop
Multiple Airlines Logo
12:45 - 23:55
BFS
-
DUB
11h 10m
1 stop
€81Multiple Airlines
Thu, 6 Aug - Thu, 13 Aug
Multiple Airlines Logo
22:25 - 07:05
ORK
-
BFS
8h 40m
1 stop
Multiple Airlines Logo
15:40 - 23:55
BFS
-
ORK
8h 15m
1 stop
€84Multiple Airlines
Tue, 18 Aug - Wed, 19 Aug
Multiple Airlines Logo
20:35 - 10:00
DUB
-
BFS
13h 25m
1 stop
Multiple Airlines Logo
07:35 - 14:05
BFS
-
DUB
6h 30m
1 stop
€84Multiple Airlines
Mon, 10 Aug - Tue, 18 Aug
Multiple Airlines Logo
22:25 - 07:05
ORK
-
BFS
8h 40m
1 stop
Multiple Airlines Logo
07:35 - 21:45
BFS
-
ORK
14h 10m
1 stop
€85Multiple Airlines
Tue, 4 Aug - Tue, 11 Aug
Multiple Airlines Logo
20:25 - 09:35
DUB
-
BFS
13h 10m
1 stop
Multiple Airlines Logo
21:40 - 09:10
BFS
-
DUB
11h 30m
1 stop
€85Multiple Airlines
Sat, 1 Aug - Sat, 8 Aug
Multiple Airlines Logo
08:50 - 15:15
SNN
-
BFS
6h 25m
1 stop
Multiple Airlines Logo
08:55 - 19:50
BFS
-
SNN
10h 55m
1 stop
€86Multiple Airlines
Wed, 12 Aug - Fri, 14 Aug
Multiple Airlines Logo
21:05 - 10:00
ORK
-
BFS
12h 55m
1 stop
Multiple Airlines Logo
21:55 - 08:05
BFS
-
ORK
10h 10m
1 stop
€86Multiple Airlines
Mon, 10 Aug - Mon, 17 Aug
Multiple Airlines Logo
06:10 - 19:15
DUB
-
BFS
13h 05m
1 stop
Multiple Airlines Logo
21:40 - 09:10
BFS
-
DUB
11h 30m
1 stop
€86Multiple Airlines
Thu, 6 Aug - Sat, 22 Aug

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British Airways flights from Ireland to Belfast

Our best British Airways deals on Ireland to Belfast flight tickets
British Airways
21 Sept
DUB20:30Dublin
12h 20m
1 stop
BHD08:50Belfast City
4 Oct
BHD20:10Belfast City
11h 35m
1 stop
DUB07:45Dublin
€205
British Airways
29 Sept
DUB20:25Dublin
12h 35m
1 stop
BHD09:00Belfast City
3 Oct
BHD19:05Belfast City
14h 35m
1 stop
DUB09:40Dublin
€206
British Airways
27 Aug
DUB13:45Dublin
5h 00m
1 stop
BHD18:45Belfast City
3 Sept
BHD20:35Belfast City
11h 10m
1 stop
DUB07:45Dublin
€222

KLM flights from Ireland to Belfast

Our best KLM deals on Ireland to Belfast flight tickets
KLM
27 Aug
ORK10:50Cork
6h 05m
1 stop
BHD16:55Belfast City
2 Sept
BHD17:30Belfast City
5h 05m
1 stop
ORK22:35Cork
€330
KLM
4 Aug
ORK15:25Cork
25h 30m
2 stops
BHD16:55Belfast City
11 Aug
BHD17:30Belfast City
21h 10m
2 stops
ORK14:40Cork
€439
KLM
10 Aug
ORK15:25Cork
41h 55m
2 stops
BHD09:20Belfast City
17 Aug
BHD17:30Belfast City
21h 10m
2 stops
ORK14:40Cork
€471

momondo Fare Finder

 
Customise your flight search to find flights from Ireland to Belfast that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 7 July 2026.
Use the filters below to find and compare flights from Ireland to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CorkBelfast

ORK - BFS

ORKBFS

Cork

Tue 4/8

22:25-07:05

1 stop8h 40m

Belfast Intl

Tue 11/8

07:35-21:45

1 stop14h 10m

€80
Fastest return journey

CorkBelfast

ORK - BFS

ORKBFS

Cork

Tue 18/8

22:25-07:05

1 stop8h 40m

Belfast Intl

Wed 19/8

15:40-23:55

1 stop8h 15m

€81

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 6/8

10:20-22:20

1 stop12h 00m

Belfast Intl

Thu 13/8

12:45-23:55

1 stop11h 10m

€81

CorkBelfast

ORK - BFS

ORKBFS

Cork

Tue 18/8

22:25-07:05

1 stop8h 40m

Belfast Intl

Wed 19/8

15:40-23:55

1 stop8h 15m

€84

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 10/8

20:35-10:00

1 stop13h 25m

Belfast Intl

Tue 18/8

07:35-14:05

1 stop6h 30m

€84

CorkBelfast

ORK - BFS

ORKBFS

Cork

Tue 4/8

22:25-07:05

1 stop8h 40m

Belfast Intl

Tue 11/8

07:35-21:45

1 stop14h 10m

€85

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 1/8

20:25-09:35

1 stop13h 10m

Belfast Intl

Sat 8/8

21:40-09:10

1 stop11h 30m

€85

ShannonBelfast

SNN - BFS

SNNBFS

Shannon

Wed 12/8

08:50-15:15

1 stop6h 25m

Belfast Intl

Fri 14/8

08:55-19:50

1 stop10h 55m

€86

CorkBelfast

ORK - BFS

ORKBFS

Cork

Mon 10/8

21:05-10:00

1 stop12h 55m

Belfast Intl

Mon 17/8

21:55-08:05

1 stop10h 10m

€86

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 6/8

06:10-19:15

1 stop13h 05m

Belfast Intl

Sat 22/8

21:40-09:10

1 stop11h 30m

€86

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Belfast from

How to get the cheapest flight ticket from Ireland to Belfast

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

How long does it take to fly to Belfast?

The average flight duration from Ireland to Belfast depends on which airport you fly into and out of. Flying from Shannon to Belfast Intl Airport is 4h 30m on average, while flying from Milltown (Kerry) to Belfast Intl Airport is 5h 20m on average. Belfast Intl Airport is the most popular airport in Belfast.

Cheap Ireland to Belfast flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to Belfast

Fastest flight time

4h 30m

Direct flights

None
The fastest flight from Ireland to Belfast takes 4h 30m
There are no direct flights from Ireland to Belfast. There are no popular flight routes from Ireland to Belfast.
Search flight deals

Frequently asked questions about flying from Ireland to Belfast

  • When did momondo last update prices for flights from Ireland to Belfast?

    Prices for flights from Ireland to Belfast are refreshed on a daily basis.

  • How old do you have to be to fly from Ireland to Belfast?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ireland to Belfast.

  • What documentation or ID do you need to fly to Belfast?

    The required travel and health documents for your Belfast trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Belfast. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Ireland to Belfast?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ireland to Belfast . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ireland to Belfast with flexible booking policies on momondo?

Yes. All flights to Belfast from Ireland on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Ireland to Belfast?

Once all potential Ireland to Belfast flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Ireland to Belfast right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ireland to Belfast now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Belfast and let you know when they change.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Airports listed have a maximum distance of 19.6 km from Belfast
Belfast Intl Airport
Belfast City Airport